LEARN THOSE
FORMULAE!
Cut out the cards and use them
as a board game or play as a
slide show!
Na+
Cl-
Li+
F-
H+
Br-
K+
I-
Ag+
NH4+
Ba2+
OHNO3-
Mg2+
O2-
Ca2+
S2-
Cu2+
-
Fe2+
SO42-
Zn2+
CO32-
Al3+
Fe3+
PO43-
Pb2+
Lithium Chloride
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Li+
Li+
Cl-
LiCl
Cl-
Iron (III) oxide
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Fe3+
O2-
Fe3+
O2O2-
Fe3+
Fe2O3
O2-
Copper sulfate
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Cu2+
SO42-
Cu2+
CuSO4
SO42-
Calcium chloride
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Ca2+
ClCa2+
CaCl2
ClCl-
Zinc hydroxide
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Zn2+
OH-
Zn2+
Zn(OH)2
OHOH-
Lithium sulfate
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Li+
SO42-
Li+
Li+
Li2SO4
SO42-
Lead (II) phosphate
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Pb2+
PO43-
Pb2+
PO43-
Pb2+
Pb2+
Pb3(PO4)2
PO43-
Silver oxide
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Ag+
O2-
Ag2O
Ag+
Ag+
O2-
Magnesium hydrogen
carbonate
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Mg2+
HCO3-
Mg2+
Mg(HCO3)2
HCO3HCO3-
Calcium nitrate
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Ca2+
NO3-
Ca2+
Ca(NO3)2
NO3NO3-
Sodium carbonate
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Na+
CO32-
Na2CO3
Na+
Na+
CO32-
Barium iodide
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Ba2+
I-
Ba2+
BaI2
II-
Magnesium chloride
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Mg2+
Cl-
Mg2+
MgCl2
ClCl-
Potassium sulfide
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K+
K+
K+
S2-
K2S
S2-
Potassium phosphate
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K+
PO43-
K+
K+
K+
K3PO4
PO43-
Zinc nitrate
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Zn2+
NO3-
Zn2+
Zn(NO3)2
NO3NO3-
Aluminium hydroxide
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Al3+
OH-
OHAl3+
OHOH-
Al(OH)3
Zinc sulfide
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Zn2+
S2-
ZnS
Zn2+
S2-
Calcium carbonate
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Ca2+
CO32-
Ca2+
CaCO3
CO32-
Potassium manganate
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K+
MnO4-
K+
KMnO4
MnO4-
Iron (II) nitrate
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Fe2+
NO3-
Fe2+
Fe(NO3)2
NO3-
NO3-
Magnesium chloride
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Mg2+
Cl-
MgCl2
Mg2+
ClCl-
Copper oxide
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Cu2+
O2-
Cu2+
CuO
O2-
Calcium oxide
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Ca2+
O2Ca2+
CaO
O2-
Magnesium carbonate
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Mg2+
CO3
2-
Mg2+
MgCO3
CO32-
Copper sulfate
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Cu2+
SO42-
CuSO4
Cu2+
SO42-
Sodium hydroxide
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Na+
OH-
NaOH
Na+
OH-
Na+
OH-
Calcium hydroxide
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Ca2+
OHCa2+
Ca(OH)2
OHOH-
Copper nitrate
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Cu2+
NO3-
Cu2+
Cu(NO3)2
NO3NO3-
Iron (III) nitrate
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NO3-
Fe3+
NO3-
Fe3+
NO3NO3-
Fe(NO3)3
Sodium carbonate
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Na+
CO32-
Na2CO3
Na+
Na+
CO32-
Magnesium oxide
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Mg2+
Mg2+
O2-
MgO
O2-
Sodium oxide
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Na+
O2-
Na2O
Na+
Na+
O2-
Ammonium chloride
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NH4+
Cl-
NH4Cl
NH4+
Cl-
Copper carbonate
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Cu2+
CO32-
CuCO3
Cu2+
CO32-
Aluminium oxide
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Al3+
O2-
Al3+
O2O2-
Al3+
Al2O3
O2-
Ammonium nitrate
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NH4+
NO3-
NH4NO3
NH4+
NO3-
Iron (II) hydroxide
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Fe2+
OH-
Fe2+
Fe(OH)2
OH-
OH-
Sodium sulfide
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Na+
Na+
Na+
S2-
Na2S
S2-